# TEC Auto Test vs Bacharach Combustion

The clearest difference is review sentiment: TEC Auto Test at 100% against Bacharach Combustion's 0%. TEC Auto Test also leads on rating (4.5 vs 3.6) and update cadence (every 3 months vs every 7 months). On price, ratings volume, ads and in-app purchases there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

TEC Auto Test holds the better App Store score, 4.5 against 3.6. Both are backed by a comparable volume of ratings — 4 and 5 respectively. Written reviews point the same way: 100% of TEC Auto Test's written reviews are positive against 0% of Bacharach Combustion's.

TEC Auto Test ships an update every 3 months, Bacharach Combustion every 7 months. The most recent releases landed on June 1, 2026 and September 14, 2026 respectively.

## The numbers

| Metric | TEC Auto Test | Bacharach Combustion |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.5 (4 ratings)](https://appshunter.io/ios/app/tec-auto-test/id1123783405/reviews)** | [3.6 (5 ratings)](https://appshunter.io/ios/app/bacharach-combustion/id1417727307/reviews) |
| Number of ratings | 4 | **5** |
| Positive reviews | **100.0% of reviews** | 0.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 3 months** | Every 7 months |
| Monetization | Free | Free |
| Size | 18 MB | 13 MB |
| Requires iOS | **12.0** | 14.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [The Energy Conservatory](https://appshunter.io/developer/504703668) | [MSA - The Safety Company](https://appshunter.io/developer/482957840) |

## What reviewers say

### TEC Auto Test

[App page](https://appshunter.io/ios/app/tec-auto-test/id1123783405)

This app automates building envelope and duct system airtightness testing by wirelessly connecting to specific pressure gauges. It collects test data, calculates results, and generates PDF reports, with features like wind assistance for improved accuracy.

**Highlights:** Automated building envelope and duct system testing, Wireless connection to DG-1000 and DG-700 gauges, PDF report generation and export, Geotagging and time stamping of projects, Wind Assistant for improved test accuracy, Support for multiple airtightness test standards

**In-app purchases:** none


### Bacharach Combustion

[App page](https://appshunter.io/ios/app/bacharach-combustion/id1417727307)

Generate and share customizable combustion reports directly from your smartphone or tablet. Connect wirelessly to compatible analyzers to view real-time data, save test records, and create professional reports in multiple formats.

**Highlights:** Generate customizable combustion reports, QR code scanning for report creation, Wireless Bluetooth connectivity, Real-time data viewing, Save and manage test records, Export reports in PDF, CSV, or XML

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is TEC Auto Test free?

TEC Auto Test is free to download, with no in-app purchases.

### Is Bacharach Combustion free?

Bacharach Combustion is free to download, with no in-app purchases.

### Which has better reviews, TEC Auto Test or Bacharach Combustion?

TEC Auto Test is rated higher. TEC Auto Test averages 4.5 out of 5 from 4 ratings, while Bacharach Combustion averages 3.6 from 5 ratings.

### Do TEC Auto Test or Bacharach Combustion have ads?

Neither TEC Auto Test nor Bacharach Combustion shows ads.

### Which is updated more often, TEC Auto Test or Bacharach Combustion?

TEC Auto Test ships an update every 3 months, and Bacharach Combustion every 7 months. Most recently, TEC Auto Test was updated on June 1, 2026 and Bacharach Combustion on September 14, 2026.

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*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*